| Summary demographics by group | |||
---|---|---|---|---|
Control | SIRS | Infection | Sepsis | |
Total subjects | 1088 | 441 | 244 | 385 |
Subject age—mean (min–max) | 60 (18–89) | 59 (18–89) | 63 (21–89) | 61 (18–89) |
Male gender, no. (%) | 529 (49) | 202 (46) | 107 (44) | 195 (51) |
Race | ||||
 White | 731 | 318 | 181 | 260 |
 Black or African American | 247 | 90 | 40 | 82 |
 American Indian or Alaska native | 1 | 0 | 1 | 2 |
 Native Hawaiian or other Pacific islander | 2 | 0 | 0 | 0 |
 Asian | 28 | 9 | 5 | 11 |
 Not provided (includes others) | 79 | 24 | 17 | 30 |
Pre-existing conditions, no. (%) | ||||
 Immune-suppression/immune stimulant | 129 (12) | 80 (18) | 36 (15) | 88 (23) |
 Malignancy | 132 (12) | 87 (20) | 41 (17) | 77 (20) |
 Antibiotics | 69 (6) | 33 (7) | 55 (23) | 75 (19) |
 Alcoholism | 58 (5) | 29 (7) | 5 (2) | 8 (2) |
 Smoking | 202 (19) | 91 (21) | 35 (14) | 70 (18) |